Arizona Self-Employment Tax Calculator

Federal self-employment tax and income tax, plus Arizona state income tax using the 2026 rates, in one estimate. Enter your income and costs to see what to set aside.

Updated October 19, 2026 · 2026 federal and state figures · All states · How we calculate

Your year working for yourself

The numbers below are examples. Replace them with your own year-to-date or expected annual figures.

Income for the year ($)

Freelance, 1099 or gig income ($)Everything you earned working for yourself this year.

Other self-employment income ($)A second client, side business or app.

Other business income ($)Commissions, tips, anything else.

Business expenses

Business expenses for the year ($)Mileage, software, tools, phone share, supplies, professional fees.

Dedicated home office size (sq ft)Simplified method: $5 per sq ft, up to 300 sq ft. Enter 0 if you do not qualify.

Tax settings: filing status, state, other income

Filing status

Other W-2 income ($)Wages from a regular job, if any.

Your stateUses the 2026 state income tax brackets. Local taxes are not included.

Or enter your own state tax rate (%)Optional. Leave blank to use the state above.

State tax uses each state’s 2026 brackets and common deductions. City and county taxes are not included. State-by-state guide.

Your results

Enter your numbers to see your estimate.

Your results

Enter your numbers to see your estimate.

Arizona income tax in 2026

Arizona's rate structure for 2026: Flat 2.5%.

Taxable income (single)	Rate
$0 and up	2.5%

Deductions modelled in this calculator: the state starts from the federal standard deduction.

The calculator starts from your federal adjusted gross income (profit minus half of your self-employment tax) and applies these brackets. Head of household uses the single brackets. Local taxes and state credits other than the personal credit are not included.

What it means in dollars

For a Arizona freelancer or gig worker with $55,000 of income and $5,000 of business costs (net profit $50,000, single filer, no other income), we estimate self-employment tax of $7,065, federal income tax of $2,667 and Arizona income tax of $759. The total is about $10,491, or 21% of profit, which is $2,623 per quarter. The state share is $759.

Local taxes and special rules in Arizona

We have not flagged a widely applicable city or county income tax for Arizona, but some localities charge their own taxes or fees on self-employment income. Check with your city and county.

Estimated payments in Arizona

Most states with an income tax expect estimated payments from self-employed people who expect to owe more than a small amount, and many use dates close to the federal ones. Confirm the schedule and any minimum with the Arizona tax agency, using the link in the sources below. See also the federal due dates guide and the safe-harbor rules.

Frequently asked questions

Does Arizona have a state income tax?

Yes. Arizona taxes income at a flat rate: flat 2.5%. Federal tax applies on top.

How much should I set aside for taxes in Arizona?

For $50,000 of net profit our estimate is about 21%, including federal and Arizona income tax and self-employment tax. Your own figure depends on income, filing status and other income, so use the calculator above.

Do I pay Arizona estimated taxes as a freelancer or gig worker?

Generally, if you expect to owe more than a small amount for the year after withholding. Dates and thresholds are set by Arizona, so confirm them with the state tax agency.

Are there local taxes on self-employment income in Arizona?

This calculator does not include city or county taxes. Check with your local government for Arizona.

Sources

Estimates only, not tax advice. State rules change, and city, county and special taxes are not included. See our disclaimer.

Other states

Not in Arizona? Use the state tax guide or pick any state in the calculator above. Related tools: self-employed tax calculator, quarterly tax calculator, 1099 vs W-2.